Diamondbacks.MLB.com's Steve Gilbert reports the Arizona Diamondbacks are closing in on signing first-round pick 3B Bobby Borchering. The team is believed to have increased their offer from the $1.5 million they initially offered.

Troy E. Renck, of The Denver Post, reports the Arizona Diamondbacks have been following IF Bobby Borchering (Bishop Verot High School) very closely and could select him with their first-round pick in the 2009 MLB Amateur Draft Tuesday, June 9.